package com.lin.reggie.common;

import com.lin.reggie.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * @auther lin
 * @create 2022-05-26 16:17
 */
@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class,Controller.class})
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String[] split =ex.getMessage().split(" ");
            String msg =split[2]+ "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    /*
    捕获删除分类时的关联异常，进行处理
     */
    @ExceptionHandler(CustomException.class)
    public R<String> customException(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }

}
